This bug is awaiting verification that the linux-
oracle-5.15/5.15.0-1006.8~20.04.1 kernel in -proposed solves the
problem. Please test the kernel and update this bug with the results. If
the problem is solved, change the tag 'verification-needed-focal' to
'verification-done-focal'. If the problem
This bug was fixed in the package linux - 5.15.0-17.17
---
linux (5.15.0-17.17) jammy; urgency=medium
* jammy/linux: 5.15.0-17.17 -proposed tracker (LP: #1957809)
-- Andrea Righi Thu, 13 Jan 2022 17:11:21
+0100
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Relea
** Description changed:
+ [Impact]
+
+ It is possible to trigger a kernel panic with the latest impish kernel
+ running systemd autopkgtest using --enable-kvm with the test instances
+ created by systemd during the autotest. The panic happens in the host,
+ not in the guest VM executed by systemd
https://lore.kernel.org/lkml/YW6N2qXpBU3oc50q@arighi-desktop/T/#u
^ Potential upstream fix (I tested with this one applied and I couldn't
break the kernel), let's wait for a feedback from the LKML, if that fix
is reasonable I'll send a proper SRU email to apply it to the Ubuntu
kernel.
--
You re
Additional information about this (from the memory dump that I was able
to get):
crash> gdb list *(wb_timer_fn+0x44)
0x991abcc4 is in wb_timer_fn (/build/impish/block/blk-wbt.c:237).
235 static int latency_exceeded(struct rq_wb *rwb, struct blk_rq_stat *stat)
236 {
237
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu Impish)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Andrea Righi (arighi)
** Changed in: linux (Ubuntu Impish)
Assignee: (unassigned) =>
